Dismantling Motor Unit; Dismantling Pump Housing; Dismantling The Impeller And Mechanical Seal - Speck Normblock Multi Serie Traducción De Las Instrucciones Para El Manejo Originales

8.4.4

Dismantling motor unit

1. Hang or support the motor unit to protect it from tipping over.
2. Loosen the hexagon screws (901) and nuts (920) between
the pump housing (101) and gland housing (106).
3. Disconnect the hose from the vent line (701) (BADU Block
Multi).
4. Remove the complete motor unit from the pump housing
(101).
5. Place the motor unit on a clean and level surface.
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8.4.5

Dismantling pump housing

1. Loosen the hexagon screws (901) and nuts (920) between
the pump housing (101) and gland housing (161).
2. Lift off the pump housing (101).
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8.4.6

Dismantling the impeller and mechanical seal

NOTICE
Normblock Multi: When dismantling the impeller and the
mechanical seal we recommend taking the whole pump out of the
piping system and dismantling the pump housing.
BADU Block Multi: When dismantling the impeller and the
mechanical seal we recommend taking the whole pump out of the
pre-filter housing or taking the whole motor unit out of the pump
housing.
1. Loosen the coupling protection (681) from the drive lantern
(341).
2. Hold the pump shaft (210) at the opening. See "Fig. 8" on
page 46.
3. Loosen the impeller nut (922) with the inserted o-ring (412.4).
4. Remove the impeller (230). Place the impeller on a clean and
level surface.
5. Remove the shaft key (940) from the shaft key nut.
6. Remove the rotating insert in the mechanical seal (433) from
the impeller hub.
7.
Loosen hexagon screws (901).
8. Loosen the gland housing (161) from the lantern (341).
04/2016
Maintenance
EN 43